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| Number | Title | Issue Date |
| 8183486 | Spring arrangement for spring drive unit and spring drive unit comprising spring arrangement The invention describes a spring arrangement for spring drive unit, which spring arrangement comprises a spring, a pullrod connected at a first pullrod end to a first spring end of the spring and connected at an opposite second pullrod end to a rotary shaft of the s... | 05/22/2012 |
| 8183485 | Circuit breaker having automatic release linkage A circuit breaker having an automatic release linkage is disclosed that is capable of preventing damage and deformation of elements by automatic linkage release before electro-impulsive force generated from within the circuit breaker by a large short-circuit current... | 05/22/2012 |
| 8168907 | Switch mechanism for a power cutter A switch mechanism for a power tool switchable between an ON and OFF state including a support structure; a first actuator rotatably mounted on the support structure and which is rotatable between a first position and a second position, wherein the first actuator is... | 05/01/2012 |
| 8124901 | Energy storage mechanism for switching device There is obtained an energy storage mechanism, for a switching device, that has a structure requiring no high-accuracy components and can perform release of driving-power transmission and re-engagement. In the case where the closing spring 22 is energized, th... | 02/28/2012 |
| 8115129 | Switching device A switching device has an input terminal and an output terminal for connection to electrical conductors, and two switching contacts which, when closed, close a current path between the input terminal and the output terminal. A disconnect device for disconnecting the... | 02/14/2012 |
| 8093524 | Electrical switchgear unit such as a circuit breaker or switch The present invention is an electrical switchgear unit in a case and including at least one stationary contact and at least one movable contact supported by a contact support shaft, an opening and/or closing mechanism of the movable contact(s) fitted in a support, t... | 01/10/2012 |
| 8089016 | Circuit breaker, in particular for low voltages A circuit breaker is disclosed, in particular for low voltages, with moving and fixed contacts, a switching shaft and a contact lever. The contact lever is rotatably mounted on or in the switching shaft, and includes a free end that extends from the switching shaft,... | 01/03/2012 |
| 8063328 | Electrical switching apparatus and charging assembly therefor A charging assembly is provided for an electrical switching apparatus, such as a circuit breaker. The charging assembly includes a compression arm and a charging cam. The compression arm includes a pivot and first and second legs extending outwardly from the pivot, ... | 11/22/2011 |
| 8058580 | Electrical switching apparatus and linking assembly therefor A linking assembly is provided for an electrical switching apparatus, such as a circuit breaker. The linking assembly includes a hatchet having first and second edges and an arcuate portion extending therebetween. The hatchet moves between a latched position in whic... | 11/15/2011 |
| 8049126 | Self-adjusting plug-in line terminal A line terminal for a circuit breaker includes a body forming two opposing legs and a third leg. The opposing legs are configured to form a passage for receiving a stab from a panel board. The two opposing legs are biased toward each other, and each of the opposing ... | 11/01/2011 |
| 8039770 | Movable contact arm and crossbar assembly and electrical switching apparatus employing the same A movable arm assembly is for an electrical switching apparatus including a stationary contact and an operating mechanism. The arm assembly includes a biasing member and an arm member having a first end, an opposite second end, a pivot point therebetween, and a port... | 10/18/2011 |
| 7977595 | Automatic discharging apparatus for closing spring in air circuit breaker and air circuit breaker having the same Provided are an air circuit breaker capable of allowing a closing spring to be automatically discharged at a pulled-out position in a pull-out type air circuit breaker and an automatic discharging apparatus for the closing spring in the air circuit breaker, the auto... | 07/12/2011 |
| 7960666 | Low-voltage circuit breaker with interchangeable poles A low-voltage circuit breaker that comprises: a containment structure; a control mechanism; a plurality of circuit breaking poles, chosen between a first type of pole that comprises a first housing containing a first fixed contact and a corresponding first moving co... | 06/14/2011 |
| 7906740 | Readiness for closing indicator for circuit breakers Disclosed is a visual and electrical indication on the status of “Readiness to close” (RTC) for circuit breakers. Exemplary embodiments include a circuit breaker apparatus, including a lay shaft coupled to circuit breaker contacts, a lay shaft cam profile couple... | 03/15/2011 |
| 7902472 | Arrangement, in particular, for activating a transport pawl and clamping device for a spring energy store of an electric switch comprising such an arrangement An arrangement is disclosed for, in particular, activating a transport pawl including a movable activation device which is secured to a carrying structure and, in a first activation phase, can be moved out of the position of rest into an end position, counter to the... | 03/08/2011 |
| 7880105 | Circuit breaker A circuit breaker of different interruption speeds, and a spring operation mechanism is standardized for designing and manufacturing the circuit breaker. The circuit breaker has a power transmission mechanism for driving a movable contact 63 and a fixed conta... | 02/01/2011 |
| 7880104 | Control device for controlling electrical switchgear A control device for controlling electrical switchgear such as a circuit breaker or the like includes an actuating arm having a connection point suitable for being moved along a closed line including points P1, P2 and P3. The connection point th... | 02/01/2011 |
| 7863534 | Spring discharge mechanism for circuit breaker A spring discharge mechanism for a circuit breaker is provided. The mechanism includes two linkages for crashing or discharging the circuit breaker compression springs to allow the circuit breaker to be used in either fixed breaker installation or in an installation... | 01/04/2011 |
| 7800007 | Circuit breaker subassembly apparatus A circuit breaker subassembly is disclosed. The subassembly includes a base, an operating mechanism, a one-piece non-conductive rotor disposed within the base, and a plurality of sets of contact arms supported by the rotor. The rotor is disposed in operable connecti... | 09/21/2010 |
| 7772513 | Switchgear and switchgear operating mechanism A switchgear operating mechanism for reciprocatively driving a movable contact of a switchgear so as to shift the switchgear between an open state and a closed state. In the closed state, a roller pushes a leading end of a latch in the direction substantially toward... | 08/10/2010 |
| 7750263 | Arresting device for a drive train An arresting device is disclosed for a drive train which, in order to close a movable contact of an electric switch, can be moved from an OFF position into an ON position. In at least one embodiment, the arresting device includes an arresting including a pivot axis ... | 07/06/2010 |
| 7745753 | Capacitor switch including a bi-directional toggle mechanism and linearly opposing opening and closing spring latches An electric power switch suitable for use as a capacitor switch that includes a drive unit having a bi-directional toggle mechanism and linearly opposing opening and closing spring latches. The opening and closing spring latches are located on opposing sides of the ... | 06/29/2010 |
| 7696448 | Closing protection mechanism for a closing assembly over-toggle linkage The closing protection mechanism provided herein includes a control unit, a sensing switch and a sensing switch actuator. The control unit is coupled to, and in electronic communication with, the trip device. The control unit is structured to receive a sensing switc... | 04/13/2010 |
| 7696447 | Electrical switching apparatus and stored energy assembly therefor A stored energy assembly is provided for an electrical switching apparatus, such as a circuit breaker. The stored energy assembly includes a mount removably coupled to the circuit breaker housing. A stored energy mechanism, such as a spring, is coupled to the mount ... | 04/13/2010 |
| 7687733 | Interlock assembly for a stored energy mechanism The stored energy device interlock assembly provided is structured to prevent the closing assembly and/or the latch assembly from being actuated in selected configurations. The interlock assembly includes a latch D-shaft link assembly, an on-command paddle assembly,... | 03/30/2010 |
| 7683281 | Circuit breaker with suspended mobile contact assembly The present invention relates to an automatic switch (1) to be used preferably in low-voltage systems. The automatic switch (1) comprises an outer casing (2) containing for each pole at least one fixed contact (10) and at least one mobile... | 03/23/2010 |
| 7671292 | Compact operating mechanism for medium and high voltage switchgear Operating mechanism for medium and high voltage switchgear, in which a rotatable main shaft is coupled to a switch, and a rocker plate is rotatable with the main shaft, the main shaft being arranged to open and close said switch by tilting the rocker plate. The rock... | 03/02/2010 |
| 7667154 | Three-position apparatus capable of positioning an electrical transfer switch A multi-position apparatus for use with a system operated in at least three distinct positions. The apparatus comprises (i) a position-selection mechanism, (ii) a first link mechanism and a second link mechanism, each link mechanism being operably coupled with the p... | 02/23/2010 |
| 7655877 | Air circuit breaker with mechanical trip indicating mechanism An air circuit breaker having a mechanical trip indicating mechanism, in an air circuit breaker including a switching mechanism, an actuator having an output link for providing a mechanical driving force, a first link unit connected between the output link of the ac... | 02/02/2010 |
| 7652218 | Energy store The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal mov... | 01/26/2010 |
| 7642478 | Device for controlling an electric power cutoff device A device for controlling a circuit-breaker intended for opening and closing this electric power cut-off device comprising a mobile contact, this control device comprising a motor with a rotary output shaft and being connected to power supply means and actuating mean... | 01/05/2010 |
| 7638723 | Toggle flange Electrical devices are described. ... | 12/29/2009 |
| 7598467 | Electrical switching apparatus having a cradle with combined pivot and over-toggle reversing pin The present invention provides for an electrical switching apparatus operating mechanism opening assembly wherein the toggle assembly stop/kicker pin has been separated into a kicker pin and a stop pin. By separating the functions of the stop/kicker pin into separat... | 10/06/2009 |
| 7598468 | Electrical switching apparatus, and stored energy assembly and time delay mechanism therefor A time delay mechanism is provided for a circuit breaker stored energy assembly including a mount, a spring coupled to the mount, at least one charging mechanism for charging the spring to store energy, at least one actuator for releasing the stored energy, and a dr... | 10/06/2009 |
| 7586055 | Over running clutch for a direct drive motor operator An over running clutch assembly for an electrical switching apparatus is provided. The over running clutch assembly includes a sprocket and a hub assembly. The hub assembly is rotatably coupled to the sprocket and structured to rotate in a charging direction relativ... | 09/08/2009 |
| 7569787 | Electromagnetic switch of starter An electromagnetic switch has a shaft and a movable contact member slidably supported by the shaft. The shaft is moved with a plunger when an electromagnet is formed of an electromagnetic coil receiving an electric current and attracts the plunger. The movable conta... | 08/04/2009 |
| 7528336 | Gas circuit-breaker In an interrupter of a gas circuit breaker that uses springs as a driving source, a contact having a fixed contact and movable contact is opened and closed so as to turn on and off electric power. An operation unit generates driving force for driving the movable con... | 05/05/2009 |
| 7518076 | Electrical switching apparatus, and charging assembly and interlock assembly therefor An interlock assembly is provided for a circuit breaker charging assembly. The charging assembly includes a cam shaft, a latch mechanism, such as a D-shaft, a latch assembly, and a charging handle. The charging handle pivots the cam shaft. The D-shaft is pivotable b... | 04/14/2009 |
| 7518075 | Energy accumulator The invention relates to a novel energy accumulator for a load step switch for rapid, continuous switching between various winding tappings. Said energy accumulator comprises a lifting carriage and a jumping carriage, which follow the movement of the jumping carriag... | 04/14/2009 |
| 7495189 | Miniature circuit breaker A miniature circuit breaker is disclosed with a latch for continuously opening and closing a contact point with a contact lever on which the moving contact member is molded. A toggle lever gear with a link connected to a switching handle and a coupling element are p... | 02/24/2009 |
